/*
 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.sun.xml.internal.bind.v2.model.nav;

import java.lang.reflect.Type;
import java.lang.reflect.WildcardType;
import java.util.Arrays;

/**
 * @author Kohsuke Kawaguchi
 */
final class WildcardTypeImpl implements WildcardType {

    private final Type[] ub;
    private final Type[] lb;

    public WildcardTypeImpl(Type[] ub, Type[] lb) {
        this.ub = ub;
        this.lb = lb;
    }

    public Type[] getUpperBounds() {
        return ub;
    }

    public Type[] getLowerBounds() {
        return lb;
    }

    public int hashCode() {
        return Arrays.hashCode(lb) ^ Arrays.hashCode(ub);
    }

    public boolean equals(Object obj) {
        if (obj instanceof WildcardType) {
            WildcardType that = (WildcardType) obj;
            return Arrays.equals(that.getLowerBounds(),lb)
                && Arrays.equals(that.getUpperBounds(),ub);
        }
        return false;
    }
}
